Permission Problem

Victor Subervi victorsubervi at gmail.com
Mon Mar 1 15:02:56 CET 2010


Hi;
I encountered and solved this problem before with the help of the list, but
it's back, and I've reviewed and done everything I was shown to do last
time, so I'm lost. Here's the script:

#!/usr/bin/python

import cgitb; cgitb.enable()
import cgi
import sys,os
sys.path.append(os.getcwd())
from login import login
import MySQLdb
import re, string
import fpformat

form = cgi.FieldStorage()
width = form.getfirst('width')
lines = '''
#!/usr/bin/python

return %s''' % width
f = 'width.py'
try:
  os.remove(f)
except OSError:
  pass
f = open(f, 'w')
f.writelines(lines)
f.close()

Simple enough. Here's the permissions:

drwxrwxrwx 31 root root   4096 Feb 23 04:57 ..
-rwxrwxrwx  1 root root    390 Mar  1 05:52 preload.py

All loaded up deliberately to try and get it to work. Here's the error:

 /var/www/html/globalsolutionsgroup.vi/preload.py
   21 except OSError:
   22   pass
   23 f = open(f, 'w')
   24 f.writelines(lines)
   25 f.close()
f = 'width.py', builtin open = <type 'file'>
IOError: [Errno 13] Permission denied: 'width.py'
      args = (13, 'Permission denied')
      errno = 13
      filename = 'width.py'
      strerror = 'Permission denied'

What'd I do wrong?
TIA,
beno

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